Tascam CG-2000 - Master Clock Generator
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Product Information
Full details
The Tascam CG-2000 Master Clock Generator is designed for broadcast professionals requiring utmost reliability and precise synchronization. Its key benefit is exceptional frequency stability, ensuring accurate timing in demanding audio and video workflows. A potential consideration is its specialized nature, primarily suited for professional broadcast and post-production environments. This flagship device offers robust features for critical timing applications, including dual power supplies, video inputs, and an external sync input for GPS or rubidium clocks, all while minimizing jitter through its original circuit design.
All features
| Model Part Number | CG-2000 |
|---|---|
| Brand | Tascam |
Extended Product Information
FAQs
What is the primary purpose of a master clock generator like the CG-2000?
A master clock generator provides a stable, high-precision timing reference signal (clock) to synchronize multiple pieces of digital audio and video equipment. This prevents timing errors, ensuring perfect alignment between audio and video, and preventing data loss in digital systems.
How does the dual power supply improve reliability?
The dual power supply allows the unit to operate even if one of the power sources fails. This redundancy is critical in broadcast environments where continuous operation is essential and downtime is unacceptable.
Can I use the CG-2000 with standard studio clocks?
Yes, the CG-2000 is designed to work with standard professional studio clock signals (word clock, video sync) via its BNC inputs and outputs. It can also sync to external high-precision sources for enhanced accuracy.
What does 'frequency stability of up to +/-0.005 ppm per day' mean?
This specification indicates how much the output clock frequency might drift over a 24-hour period under stable conditions. A lower ppm value (like 0.005) signifies very high stability and accuracy, meaning the clock remains extremely consistent over time.
What kind of external clocks can I connect to the CG-2000?
The CG-2000 features an external input connector specifically designed for high-precision reference clocks, such as GPS clocks or rubidium atomic clocks, to further enhance synchronization accuracy.
Is the CG-2000 suitable for home studios?
While the CG-2000 offers exceptional performance, its robust features and design are primarily targeted at professional broadcast and post-production facilities where the highest levels of reliability and precision are mandatory. For simpler home studio setups, other synchronization solutions might be more appropriate.
Troubleshooting
No clock signal output
Verify power connections are secure and the unit is powered on. Check that the correct input source is selected and that the input signal is present and valid. Ensure output settings are configured correctly.
Jitter or timing inaccuracies observed
Confirm that the input clock source is stable. If using an external clock, ensure it is properly connected and functioning. Try using the internal clock to isolate the issue. Clean and check all BNC cable connections for integrity.
Device not syncing with external reference
Double-check that the external reference clock is connected to the correct input and that the CG-2000 is set to sync to that specific input. Ensure the external reference signal is within the expected frequency range for the CG-2000.
Dual power supply warning indicator is active
Check both primary and secondary power connections. If one power supply is disconnected or faulty, the indicator will light up. Ensure both power sources are functioning correctly and providing stable power.
Pros and Cons
Pros
- Exceptional frequency stability for precise synchronization.
- High reliability due to dual power supply.
- Flexible connectivity with external sync input.
- Minimizes timing signal jitter.
- Designed for professional broadcast standards.
Cons
- Primarily suited for professional broadcast and post-production, may be overkill for simpler setups.
- Requires understanding of clock synchronization principles for optimal use.
- No mention of AES/EBU digital clocking in provided description, which might be a feature in some broadcast chains.
Setup, Compatibility & Care Instructions
Setup:
- Connect the primary and secondary power supplies to stable power sources.
- Connect the desired clock source (e.g., word clock, video sync) to the appropriate input BNC connectors.
- Connect an external high-precision clock source (GPS, rubidium) to the external sync input if required for maximum stability.
- Connect the CG-2000's clock outputs to the master clock inputs of your other digital audio or video equipment.
- Configure the desired output frequency and sync source via the device's controls.
Compatibility:
The CG-2000 is designed to interface with standard professional audio and video equipment that accepts external clock signals via BNC connectors. It is compatible with systems requiring precise synchronization, such as digital audio workstations (DAWs), digital mixing consoles, video routers, and timecode generators. Ensure your connected devices utilize the same or compatible clocking standards.
Care:
- Keep the device in a well-ventilated area to prevent overheating.
- Clean the exterior with a soft, dry cloth. Avoid using liquids or abrasive cleaners.
- Ensure all connections are secure but not overly tightened.
- Protect the device from excessive dust, moisture, and direct sunlight.